-
Notifications
You must be signed in to change notification settings - Fork 0
/
ft_strnstr.c
37 lines (34 loc) · 1.29 KB
/
ft_strnstr.c
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_strnstr.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: vscabell <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2020/01/23 09:49:24 by vscabell #+# #+# */
/* Updated: 2020/02/06 18:38:11 by vscabell ### ########.fr */
/* */
/* ************************************************************************** */
#include "libft.h"
char *ft_strnstr(const char *haystack, const char *needle, size_t len)
{
size_t i;
size_t j;
size_t n_len;
i = 0;
n_len = ft_strlen(needle);
if (needle[i] == '\0')
return ((char *)&haystack[i]);
while (haystack[i] && i < len)
{
j = 0;
while (haystack[i + j] == needle[j] && (i + j) < len)
{
if (j == n_len - 1)
return ((char *)&haystack[i]);
j++;
}
i++;
}
return (NULL);
}